Ddf

[Justin Bieber]

Drug and Disease Free. this is often found in online personals ads -- especially for casual sex.

[Sarah]

DDF or Daily Dose of Frank
(Original - Dnevna doza Franje (Croatian))
For when you have a friend in group who just has random outbursts of unrelated, fairly stupid comments or jokes and after a while you become used to it and call such phenomenon - DDF.

Its also appliable for when someone else has stupid remark and you call it DDF in respect to Franjo, the ultimate redneck.
(in original his name is Franjo which is croatian for Frank - and therefore Daily Dose of Frank)

[Little_Girl]

Distance Distortion Factor. When a girl looks hot from a distance but isnt when you get closer.

[Tina]

Acronym: Distant Distortion Factor
When a girl looks damn good farther away, but really is a skank whore up close.

[Tina]

A DECA doll face or DDF refers to the best type of DECA girl you could ever meet. She is amazing, witty, beautiful and hillarious. This type of women is very prominent in the business world and sets high standards for herself. Shell probably be your boss someday.

[Rihanna]

Dog Dick Funny, cause we all know how funny a dogs dick is.

[Jason Yan]

Dont do [feelings]